Audio-Technica BP894x Headworn Microphone
ActiveUpdated by GEARMATH
Cardioid condenser headworn microphone with a flexible boom and adjustable ear hook, available wired with a phantom/battery power module or terminated for wireless bodypacks.
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Technical Registry
Audio
| Element | Fixed-charge back plate, permanently polarized condenser |
|---|---|
| Polar Pattern | Cardioid |
| Frequency Response | 20-20,000 Hz |
| Low Frequency Roll Off | 80 Hz, 18 dB/octave (wired only) |
| Open Circuit Sensitivity | -47 dB (4.3 mV) re 1V at 1 Pa |
| Maximum Input Sound Level | 135 dB SPL, 1 kHz at 3% T.H.D. |
| Dynamic Range | 98 dB, 1 kHz at Max SPL (wired only) |
| Signal-to-Noise Ratio | 57 dB, 1 kHz at 1 Pa |
| Switches | Flat, roll-off (wired only) |
| Current Consumption | 0.25 mA typical at 5V (wireless only) |
| Voltage Range | 3.5-10V (wireless only) |
Physical
| Phantom Power Requirements | 11-52V DC, 2 mA typical (wired only) |
|---|---|
| Weight (Microphone) | Microphone, boom & earpiece: 2.0 g (0.07 oz) |
| Weight (Power Module) | 85 g (3.0 oz) (wired only) |
| Cable | Detachable 1.4 m (55") long, 1.6 mm (0.06") diameter, 2- or 3-conductor shielded cable (termination dependent) |
| Dimensions | Microphone: 9.67 mm (0.38") long, 2.6 mm (0.10") diameter Boom: 98.4 mm (3.87") long, 1.07 mm (0.04") diameter |
| Dimensions (Power Module) | 100.0 mm (3.94") long, 18.9 mm (0.74") diameter (wired only) |
| Output Connector (Power Module) | Integral 3-pin XLRM-type |
Reference Pricing
New Price: US: $499 (Audio-Technica US)
Selling or looking for one? Ask in the Gearmath Filmmaker Group
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